MONANDRIA— MONOGYNIA. Hippuris. 3 



Common in salt marshes, that are frequently inundated. 



Annual. August. 



A span long, branched from the base • interstices obtusely qua- 

 drangular. Stam. always 2, one earlier than the other. Stigma 

 with many irregular notches. 



3. S. radicans. Creeping Jointed-glasswort, 



Stem woody; procumbent and taking root at the base. 

 Joints compressed, notched ; interstices somewhat cylin- 

 drical. Spikes oblong. Stamens two. 



S. radicans. Comj). 1. Engl. Bot. v. 24. t. 1691. Hook. Scot. 1. 



S. herbacea p. Fl. Br. 2. 



S. euro}3aea /3, Huds. 1. 



S. erecta, foliis brevibus, cupressiformis. Dill, in Raii Sijn. 137. 



Woody jointed glasswort. Petiv. H. Br. t. 9,/. 4. 



On muddy sea shores. 



At Holme, Norfolk. Rev. Dr. Sutton. On the Sussex coast. 

 Mr. Borrer. Near Montrose. Mr. D. Don. 



Perennial. September. 



Lower part of the stem woody, slender, throwing out fibrous roots , 

 upper erect, 6 or 8 inches high, with opposite, crossing branches, 

 sometimes purplish, whose interstices are contracted just below 

 the summit, and more slender than either of the foregoing. 

 Spikes tumid, with short joints, Sfam. always 2. Stigma in 2 

 or 3 deep segments. 



4. S.Jruficosa. Shrubby Jointed-glasswort. 



Stem woody, ascending; joints and interstices cylindrical. 

 Spikes nearly sessile, cylindrical, obtuse. 



5. fruticosa. Linn. Sp. PL 5. Willd. v. 1 . 24. Vahl Enum. y. 1 . 11 . 

 FL Br. 1.3. 



S europaea y. Huds. 1 . 



Kali. Camer. Epit. 246./. 



K. geniculatum perenne fruticosius procumbens. Raii Syn. 136. 



On the sea shore, very rare. 



At Weymouth. Mr. Yalden, in Mr. LightfooVs herbarium. In 

 Shepey island. Sir Hans Sloane. Isle of Grain, in the Thames. 

 Dillenius. Herb. Sherard. 



Stem woody, with numerous branches, more slender and cylindri- 

 cal throughout. Spikes small, short, and dense. Stigm. 2 onlv, 

 deciduous. .S7y/e permanent, elongated after flowering. Possi- 

 bly a variety of the last 3 though nobody, as yet, really knows 

 any thing at all decisive of this question. 



2. HIPPURIS. Mare's-tail. 



Linn. Gen. 5. Juss. 18. Fl. Br. 4. Lam. t. .'3. Gcerln. t. 84. 



B 2 



